“We want to give him a strong name, with a lot of meaning,” Jessa, 23, tells PEOPLE in this week’s cover story.

This week’s PEOPLE coverFor much more on Jessa and Ben Seewald – including exclusive photos of their son, a glimpse into their lives as new parents and their plans for baby number two – pick up this week’s issue of PEOPLE, on newsstands Friday

During her pregnancy, the TLC reality star solicited ideas from fans, and more than 100,000 people have submitted their choices.

Jessa says she favors names “of heroes from the Christian faith” – and insists she won’t use a “letter theme” for her brood like her parents Jim Bob and Michelle Duggar did for their 19 kids, whose monikers all start with “J.”

Jessa and Ben Seewald as babies with a sonogram of their own sonCourtesy Jessa SeewaldAs for Dad?

“He is going to have this name for the rest of his life,” Ben, 20, says of the couple’s big decision.

“It’s been really cool to meet him, look at his face and match a name to who he is,” Jessa adds. “It is going to be very special. A lot of thought has gone into it.”